Daikin RXYQ96PYDN Service Manual page 445

Troubleshooting by Indication on the Remote Controller
Troubleshooting
430
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Diagnosis Flow 6
Check 3 Check 4
Are
manual address settings
(of the slave units 1 and 2) correct in
order to connect the
AirNet?
YES
Check
the connection
status of one of the connecting
wires of Outdoor Multi. Check if
the wiring is broken or
disconnected.
NO
Diagnosis Flow 7
Check 3 Check 4
In the
connection status
of the outdoor multi, check if
more than 4 outdoor units
are connected.
NO
Diagnosis Flow 8
Check 3 Check 4
Check the
connection status of the
connecting wires of outdoor multi. Check
if the wiring has any connection error
or broken, or is about to be
disconnected.
NO
NO
Correct the manual address
settings.
(For detail, refer to information in
the "AirNet Installation Manual".)
YES
Correct the connecting wires of the
outdoor multi and then reset the
power supply.
Replace the main PC board of the
outdoor unit.
YES
Correct the connecting wires of the
outdoor multi and then reset the
power supply.
Replace the main PC board of the
outdoor unit.
YES
Correct the connecting wires of the
outdoor multi and then reset the
power supply.
Replace the main PC board of the
outdoor unit.
SiUS34-801A_b
Troubleshooting